High severity · published Feb 11, 2022
CVE-2020-13677
Under some circumstances, the Drupal core JSON:API module does not properly restrict access to certain content, which may result in unintended access bypass
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
Under some circumstances, the Drupal core JSON:API module does not properly restrict access to certain content, which may result in unintended access bypass. Sites that do not have the JSON:API module enabled are not affected.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
8.0.0 before 8.9.19; 9.1.0 before 9.1.13; 9.2.0 before 9.2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13677
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13677
Patch
https://www.drupal.org/sa-core-2021-010
More from Drupal
9.8
CVE-2026-9082
Drupal core - Highly critical - SQL injection - SA-CORE-2026-004
9.8
CVE-2018-7602
Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004
9.8
CVE-2018-7600
Drupal Core Remote Code Execution Vulnerability
8.8
CVE-2020-13671
Drupal core Un-restricted Upload of File
8.1
CVE-2019-6340
Drupal core - Highly critical - Remote Code Execution
